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CPR Constructıon Productıons Regulatıon (305/2011/Eu) And Cables

Plenty of arrangements were made with regards to the free movement of goods in the European Union. Following the customs union, some of the directives have started to be applied in our country as well within the framework of technical regulatory compliance. One of the most important among them is the “Construction Products Directive CPD”. It consists of three important performance criterions comprising the basic requirements of CPR in terms of cables;

Issued on December 21, 1988, Construction Products Directive (CPD) was replaced by the Construction Productions Regulation (CPR) on April 4, 2011, and this regulation came into effect in the European Union countries as a law. The purpose of this implementation is to raise the quality awareness in order to reduce losses of both life and property in all the constructional works, to avoid unfair competition and to prevent low-quality goods from moving around the European Union countries.

For the cable industry CPR comprises requirements for dangerous substance
emissions along with the fire-reaction and fireresistance performances of power, control and communication cables used in fixed wirings in a construction including buildings and infrastructures. Nevertheless, it entails fireresistance performance declarations and CE markings of the cables used at constructions. When only the CE certificate and the statement of the manufacturer were accepted for the movement of goods in the European Union
previously according to the LVD (Low Voltage Directive), declaration of performance (DoP) has become mandatory for the attachment of CE marking on the goods after CPR. See Declaration of Performance Sample. Accordingly manufacturer prepares fire-reaction performance declarations in compliance with the relevant standards and stores it in the electronic media and/or written.

They ensure that each product batch shows the same performance and has the relevant performance declarations on them and/or on their packages. With the issue of EN 50575 in July 2015, CE marking has been brought into effect as of December 1, 2015 and will be made obligatory as of December 1, 2016. Thereby companies to deal with the cable sales or distribution in the European Union countries will be able to legally ask manufacturers to draw up the product’s declaration of performance (DoP) and apply CE marking on the product. CPR Regulation is more comprehensive in terms of cables compared to the Low Voltage Directive (LVD) being effective in 2006.

1) Supporting the requirement of safety in case of fire
a) Fire-reaction performance (EN 50575,EN 13501-6) b) Fire-resistance performance (P and PH classification)
2) Supporting the requirement of hygiene,
health and environment
a) Emission of dangerous substances (Note: PH classification for fire-resistance classification has been made according to EN 50200 standard. PrEN 50577 standard, which is still at the project phase for classification, is pending.)

In July 2015, EN 50575 standard indicating the fire-reaction performance criterions of control, communication and power cables of CPR and the testing methods for these criterions was issued. This standard regulates the performance classes and the competency criterions of these performance classes without appealing to any limitations on the basis of cables. Within this context, EN 50575 standard refers to Testing standards below:

EN 13501-6: Fire classification of construction products and building elements-Part 6: Classification using data from reaction to fire tests on electric cables.

EN ISO 1716: Reaction to fire tests for construction products – Determination of the heat of combustion (calorific value).
EN 50399: Common test methods for cables under fire conditions – Heat release and smoke production measurement on cables during flame spread test – Test apparatus, procedures, results.
EN 60332-1: Cables – Tests on electric and optical fibre cables under fire conditions. EN 60754-2: Cables – Common test methods under fire conditions – Test on gases evolved from cables.
EN 61034-2: Measurement of smoke density of cables burning under defined conditions

Part 2 Test procedure and requirements.
• Aca class cables are limited according to the heat generated as a result of combustion
• B1ca, B2ca, Cca and Dca are various types of classes for the cables reducing the risk of fire (in terms of heat release, release rate,
smoke density, dripping during combustion
and corrosive gas formation.)
• No fire performance is needed for the Fca
class cables varırız. Aca Class According to
EN ISO 1716, PCS should be ≤2MJ/kg as a result of combustion except the metals in the cable.
B1ca Class
a) According to the EN 60332-1-2 standard,
after test flame out, flame should not reach
over to 425 mm distance.
b) According to the EN 50399 standard, for a 30kW-flame source;
FS _ 1,75 m
THR1200S _ 10 MJ
Peak HRR _ 20 kW
FIGRA _ 120 Ws-1
B2ca Class
a) According to the EN 60332-1-2 standard,
after test flame out, flame should not reach
over to 425 mm distance.
b) According to the EN 50399 standard, for a 20,5 kW-flame source :
FS _ 1,5 m
THR1200S _ 15 MJ
Peak HRR _ 50 kW
FIGRA _ 150 Ws-1

Cca Class
a) According to the EN 60332-1-2 standard, after test flame out, flame should not reach over to 425 mm distance.
b) According to the EN 50399 standard, for a 20,5 kWflame source;
FS _ 2 m
THR1200S _ 30 MJ
Peak HRR _ 60 kW
FIGRA _ 300 Ws-1

Dca Class
a) According to the EN 60332-1-2 standard, after test flame out, flame should not reach over to 425 mm distance.
b) According to the EN 50399 standard, for a 20,5 kWflame source;
THR1200S _ 70 MJ
Peak HRR _ 400 kW
FIGRA _ 300 Ws-1
Eca Class
According to the EN 60332-1-2 standard, after test flame out, flame should not reach over to 425 mm distance.
Fca Class
Cables with no values for any fire performances or that have failed the EN 60332-1-2 standard flame spread test.
Procedures to be followed by the manufacturers in order to issue DoP (declaration of performance) and attach CE marking on their products according to EN 50575 for the cables whose reaction classifications are identified according EN 13501-6 Standard as a result of Reaction to Fire Classification Test Methods are indicated on the table below. and approved laboratories within the scope of CPR yet.
We consider TSI’s accreditation works as a highly important development for cable manufacturers.
CONCLUSION
With the issue of Construction Products Regulation (CPR) being effective as of July 1, 2013, in the European Union countries as a law and afterwards the fire-reaction performance criterions required for electric cables in July 2015 and the EN 50575 standard indicating the test methods for these criterions, it has been made mandatory that the intended performance classifications should be indicated by the manufacturer and performance continuity for the relevant products should be ensured.
It is determined by the regulations and laws where and which fire-reaction performance cables should be used in the constructional works, and different sections of constructions. In our country,

Ministry of Environment and Urbanization is assigned with this task. Within this scope, the sections related to the electric wiring and cables in the regulation on the fire protection of buildings should be revised within the framework of CPR. Also the facts that persons and institutions providing engineering services become conscious and make correct decisions will prevent losses of life and property that may occur in the forthcoming period and avoid legal sanctions.

A workshop on CPR and CABLES was held on November 12, 2015, by TSI (Turkish Standards Institute). It was revealed that accreditation activities for approved institution for assessment and verification systems of constancy of performance (AVCP) System 1+ and approved laboratory for System 3 for fire-reaction classification for cables are still in progress and will be concluded within a few months. In our country, there are no approved institutions and approved laboratories within the scope of CPR yet. We consider TSI’s accreditation works as a highly important development for cable manufacturers.

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